My brother-in-law, Jason Powers, is a family practice doctor with an addiction medicine specialty. He is the chief medical officer for Right Step and Promises and recently completed a Masters of Applied Positive Psychology from the University of Pennsylvania under Martin Seligman.

Dr. Powers wrote a provocative article in Huffington Post about the popular Pharrell Williams song, Happy. He addresses the experience of happiness and the brain chemistry that triggers the feeling of happiness.

The next time you're feeling blue, turn on some upbeat music and let the dopamine transform your mood.